MacBook M5 Pro, Neo Image adjustments issue

[waydabber]

There is a macOS issue that affects software dimming, brightness upscaling and image adjustments on the new MacBook M5 Pro and M5 Max and Neo models. Both Tahoe 26.3.1 and 26.4 has this problem.

As a workaround:

1. Please update to the latest Internal Pre-Release version of the app (enable under Settings > Application > Updates)
2. Configure the affected display like this:

The issue was reported to Apple. More info:

https://developer.apple.com/forums/thread/819331